More than 150 million Americans are under the highest level extreme heat alerts during a wave of above-average temperatures.

The rare June heat wave broke about 20 records on Sunday and is expected to break more on Monday. According to The Weather ...

An expert has tips on how to stay cool during the extreme heat in Pittsburgh. Heat is the leading weather-related cause of ...

Allegheny County will activate a code red heat advisory beginning Sunday, June 22, through Wednesday, June 25, due to extreme ...

Our June heat wave continues today with another day topping out in the 90s but feeling more like 100+ degrees when you factor ...

More than 150 million Americans are under the highest level extreme heat alerts during a wave of above-average temperatures.

Severe weather is possible Tuesday and Wednesday, along with the extreme heat warning in western Pennsylvania.

Pittsburgh faces a severe heat wave with possible record temperatures; the National Weather Service issues warnings.

Those triple-digit air temperatures — with the feels-like index even worse because of humidity — are possible in places where ...

Sunday marked the second straight day of extreme heat across the Midwest and East Coast. Heat indexes on Sunday hit 103 F (39 ...

An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with ...